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Active Message Threads for September 2006
John or Jan Lahr
Today's earthquake is a good one on which to try out the helicorder
filters of AmaSeis.
http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/usscaw.php#details
In the latest version of AmaSeis a bug in the filtering algorithm has
been corrected so that it's now possible to view the main helicorder
screen with a strong filter to enhance the lower frequency surface waves.
First off, if you're not running Version 1.1 Level 2006.06.24, then
install this version. Just go to Alan Jones' we…
[more]
